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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var arr = [10,15,2,32,5,4,20,8,48,54,6]
        
        function min(arr){
        var arr2=[]
        for(var i=0;i<arr.length;i++){
            if(arr[i]<10){
                arr2[i]=arr[i]
            }
        }
            return arr2
        }
        min(arr)
        console.log( min(arr));
    </script>
</body>
</html>